1. ABB Asea Brown Boveri Ltd.
2. Balluff GmbH
3. Banner Engineering Corp.
4. Datalogic S.p.A. by Hydra S.p.A.
5. Eaton Corporation PLC
6. Emerson Electric Co.
7. EUCHNER GmbH + Co. KG
8. Fortress Interlocks Limited by Halma PLC
9. Honeywell International Inc.
10. IDEC Corporation
11. K.A. Schmersal GmbH & Co. KG
12. KEYENCE Corporation
13. Leuze Group
14. Mitsubishi Electric Corporation
15. OMRON Corporation
16. Phoenix Contact GmbH & Co. KG
17. Procter Brothers Ltd.
18. Rockwell Automation Inc.
19. Satech Safety Technology Spa
20. Schneider Electric SE
21. Sick AG
22. Siemens AG
23. Smartscan Ltd.
24. Spiers Ltd.
25. Wieland Holding GmbH